<!doctype html> <!-- This line might cause the problem with scroll top  -->
<html lang="en">

<head>
  <meta charset="utf-8">
  <meta http-equiv="x-ua-compatible" content="ie=11">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
  <title>ng2-pdf-viewer</title>
  <meta name="description" content="PDF Viewer Component for Angular 5+">
  <meta name="keywords" content="Angular,PDF,PDF-Viewer">
  <base href="/">

  <link rel="icon" type="image/x-icon" href="favicon.ico">

  <link href="https://fonts.googleapis.com/css?family=Lato" rel="stylesheet">
  <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
  <style>
    body {
      margin: 0;
      font-family: 'Lato', sans-serif;
    }

    .placeholder-header {
      height: 64px;
      background-color: #3f51b5;
      margin-bottom: 50px;
    }

    .sk-folding-cube {
      margin: 20px auto;
      width: 40px;
      height: 40px;
      position: relative;
      -webkit-transform: rotateZ(45deg);
      transform: rotateZ(45deg);
    }

    .sk-folding-cube .sk-cube {
      float: left;
      width: 50%;
      height: 50%;
      position: relative;
      -webkit-transform: scale(1.1);
      -ms-transform: scale(1.1);
      transform: scale(1.1);
    }

    .sk-folding-cube .sk-cube:before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: #ea1f62;
      -webkit-animation: sk-foldCubeAngle 2.4s infinite linear both;
      animation: sk-foldCubeAngle 2.4s infinite linear both;
      -webkit-transform-origin: 100% 100%;
      -ms-transform-origin: 100% 100%;
      transform-origin: 100% 100%;
    }

    .sk-folding-cube .sk-cube2 {
      -webkit-transform: scale(1.1) rotateZ(90deg);
      transform: scale(1.1) rotateZ(90deg);
    }

    .sk-folding-cube .sk-cube3 {
      -webkit-transform: scale(1.1) rotateZ(180deg);
      transform: scale(1.1) rotateZ(180deg);
    }

    .sk-folding-cube .sk-cube4 {
      -webkit-transform: scale(1.1) rotateZ(270deg);
      transform: scale(1.1) rotateZ(270deg);
    }

    .sk-folding-cube .sk-cube2:before {
      -webkit-animation-delay: 0.3s;
      animation-delay: 0.3s;
    }

    .sk-folding-cube .sk-cube3:before {
      -webkit-animation-delay: 0.6s;
      animation-delay: 0.6s;
    }

    .sk-folding-cube .sk-cube4:before {
      -webkit-animation-delay: 0.9s;
      animation-delay: 0.9s;
    }

    @-webkit-keyframes sk-foldCubeAngle {

      0%,
      10% {
        -webkit-transform: perspective(140px) rotateX(-180deg);
        transform: perspective(140px) rotateX(-180deg);
        opacity: 0;
      }

      25%,
      75% {
        -webkit-transform: perspective(140px) rotateX(0deg);
        transform: perspective(140px) rotateX(0deg);
        opacity: 1;
      }

      90%,
      100% {
        -webkit-transform: perspective(140px) rotateY(180deg);
        transform: perspective(140px) rotateY(180deg);
        opacity: 0;
      }
    }

    @keyframes sk-foldCubeAngle {

      0%,
      10% {
        -webkit-transform: perspective(140px) rotateX(-180deg);
        transform: perspective(140px) rotateX(-180deg);
        opacity: 0;
      }

      25%,
      75% {
        -webkit-transform: perspective(140px) rotateX(0deg);
        transform: perspective(140px) rotateX(0deg);
        opacity: 1;
      }

      90%,
      100% {
        -webkit-transform: perspective(140px) rotateY(180deg);
        transform: perspective(140px) rotateY(180deg);
        opacity: 0;
      }
    }

  </style>

</head>

<body>
  <pdf-viewer-app>
    <div class="placeholder-header"></div>

    <div class="sk-folding-cube">
      <div class="sk-cube1 sk-cube"></div>
      <div class="sk-cube2 sk-cube"></div>
      <div class="sk-cube4 sk-cube"></div>
      <div class="sk-cube3 sk-cube"></div>
    </div>
  </pdf-viewer-app>
</body>

</html>
